◎ 题干
______ you keep trying till the end, you will never know how strong you are!
A.Although B.If
C.Unless D.Because
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“ ______ you keep trying till the end, you will never know how strong you are!A.AlthoughB.IfC.UnlessD.Because…”主要考查了你对  【并列连词】【从属连词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。